Qwen3.5 Plus
Summary
Qwen3.5 Plus is a proprietary language model from Alibaba (Qwen), released on 16 Feb 2026. It accepts text, images and video and generates text, with a 1M-token context window and up to 66K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.26 per million input tokens and $1.56 per million output tokens (OpenRouter), across 3 providers we track.
Qwen vision-language model for visual reasoning, documents, and agent tasks
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Alibaba (Qwen) |
|---|---|
| Release date | 16 Feb 2026 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| Context window | 1M (1,000,000 tokens) [models.dev] |
| Max output | 66K tokens [models.dev] |
| Knowledge cutoff | Apr 2025 [models.dev] |
| Input | Text, images and video [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | Yes [models.dev] |
| Tool calling | Yes [models.dev] |
Qwen3.5 Plus API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| OpenRouter qwen/qwen3.5-plus-02-15 | $0.26 | $1.56 | – | 1M | OpenRouter, 4 Oct 2026 |
| OpenRouter qwen/qwen3.5-plus-20260420 | $0.30 | $1.80 | – | 1M | OpenRouter, 4 Oct 2026 |
| Alibaba Cloud Model Studio qwen3.5-plus | $0.40 | $2.40 | – | 1M | models.dev, 4 Oct 2026 |
| Vercel AI Gateway alibaba/qwen3.5-plus | $0.40 | $2.40 | $0.04 | 1M | models.dev, 4 Oct 2026 |
Frequently asked questions
What is the context window of Qwen3.5 Plus?
Qwen3.5 Plus has a context window of 1,000,000 tokens (1M) and can generate up to 65,536 tokens in a single response, according to models.dev.
How much does the Qwen3.5 Plus API cost?
Through Alibaba Cloud Model Studio, Qwen3.5 Plus costs $0.40 per million input tokens and $2.40 per million output tokens. The lowest listed price is $0.26 input / $1.56 output through OpenRouter. Prices last verified 4 Oct 2026.
Is Qwen3.5 Plus open source?
No. Qwen3.5 Plus is a proprietary model; Alibaba (Qwen) has not released its weights. It is available through APIs including OpenRouter, Alibaba Cloud Model Studio, Vercel AI Gateway.
When was Qwen3.5 Plus released?
Alibaba (Qwen) released Qwen3.5 Plus on 16 Feb 2026, according to models.dev.
Which providers offer Qwen3.5 Plus?
We track Qwen3.5 Plus on 3 providers: OpenRouter, Alibaba Cloud Model Studio, Vercel AI Gateway.
Change history
No changes detected since we started tracking this model. We re-check every source daily.